A little fighting is good for you! UCLA researchers studied the biological affects of couples who "fought" for 15 minutes, and found that they had a similar healthy immune response as exercise. But, hold off on the insults and name calling--when fights turn mean, they don't have the same good-for-you health benefits, the researchers say.

__When you fight with your guy, is it healthy fighting (aka, constructive criticism, etc.) or do you get really worked up and upset? __